I get a lot of these: (host mx1.dhl.iphmx.com[68.232.135.103] refused to talk to me: 554-esa2.dhl.iphmx.com 554 Your access to this mail system has been rejected due to the sending MTA's poor reputation. If you believe that this failure is in error, please contact the intended recipient via alternat...

When receiving an email with some included (attached) emails (most of the time in 'htm' format), zimbra is unable to open these emails. A new window opens, but it stays empty, and in the console it gives an error like 'TypeError: d not found'. It looks like it's in the code for the zimlets but I am ...